Method and apparatus for severing a tubular member

Details Method and apparatus for severing a tubular member Method and apparatus for severing a tubular member

1983-11-14

1986-10-28

Husar, Cornelius J.

Hydraulic and earth engineering

Marine structure or fabrication thereof

405226, 405227, 405232, 405248, E02D 532, E02D 724, E02D 904

Patent

active

046195564

ABSTRACT:
There are disclosed a method and apparatus for severing a tubular member at a desired level beneath the ocean floor or other underwater surface from which the tubular member extends. The apparatus includes an assembly which is disposable about the tubular member at the underwater surface, and which includes means by which fluid may be jetted for scouring the underwater surface about the tubular member in order that the assembly may move downwardly under its own weight. The tubular member is severed by means of a shaped charge carried by the assembly and adapted to be detonated when lowered with the assembly to the desired level.

REFERENCES:
patent: 2699721 (1947-02-01), Klotz, Jr.
patent: 3224204 (1965-12-01), Siebenhauser
patent: 3369759 (1967-08-01), Cooper
patent: 3720068 (1973-03-01), Rosa
patent: 3815374 (1974-06-01), Hogan
patent: 3890794 (1975-06-01), Broadfoot
patent: 4290486 (1981-09-01), Regalbuto

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